docstr: Tests that a DQN agent is initialized.
docstr_tok: ["Tests","that","a","DQN","agent","is","initialized","."]
code: def test_atari_init(self):
      """Tests that a DQN agent is initialized."""
      train.main([])
      shutil.rmtree(FLAGS.base_dir)
  
file_path: dopamine/tests/dopamine/atari_init_test.py
imports: import datetime
  import os
  import shutil
  from absl import flags
  from dopamine.discrete_domains import train
  import tensorflow
label_desc: Use image node_id 2 for calling the AtariInitTest obj's underlying member method code with example usage: obj.test_atari_init() without return types